AR-40 40 S&W 10.5" Pistol Build Kit – Mil-Spec, M-LOK, SBA3 Brace, and Octagonal Cone

Build Kits

AR-40 40 S&W 10.5" Pistol Build Kit – Mil-Spec, M-LOK, SBA3 Brace, and Octagonal Cone

Unlock the full potential of your AR-40 S&W build with this 10.5" AR-40 S&W Pistol Build Kit from Moriarti Armaments. Specifically designed to work with Glock-style lowers, this AR-40 pistol kit includes all the essential components for building a high-performance firearm, except for the 80% lower receiver (sold separately). Made with Mil-Spec parts crafted in the USA, this build offers superior accuracy, reliability, and customization potential.

Whether you're an enthusiast looking to build your dream AR-40 or you need a robust, tactical pistol, this kit provides everything you need for a top-notch build. It's designed with blowback operation for smooth cycling and includes an SBA3 brace for added stability and comfort during use.

Kit Includes:

• 10.5" 4150 Chrome Moly Vanadium Barrel: A durable and accurate barrel chambered in 40 S&W, designed for blowback operation. It features a 1:16 twist for optimal bullet stabilization and .578x28 thread compatibility.

• Blowback Gas System (No Gas Block): Designed for blowback operation, this system simplifies the build by eliminating the need for a gas block.

• A4 Flat Top Slick Side Upper Receiver: The sleek, slick side upper offers a clean, forward-assist-free design, perfect for a tactical, lightweight build. It is anodized for corrosion resistance and durability.

• Slim Octagonal Cone Muzzle Device: This unique muzzle device reduces recoil and improves shot accuracy with a sleek design that enhances the look and feel of your build.

• 10" Free Float M-LOK Slim Handguard: This handguard offers a slim, lightweight design with ample space for customization, giving you flexibility to add accessories and attachments. (Note: Rails may vary based on availability but will always be of the same excellent quality.)

• 40mm Complete Bolt Carrier Group (BCG): A Mil-Spec BCG built to handle the demands of 40 S&W cartridges. Chrome-lined and heat-treated for enhanced durability, it is ready to deliver high-performance cycling.

• AR-15 Mil-Spec Charging Handle: A Mil-Spec charging handle designed for smooth and reliable operation.

• AR-15 Mil-Spec Lower Parts Kit (LPK): Includes all the parts necessary to complete your lower receiver, including standard controls and components.

• Mil-Spec Buffer Tube Kit (with 8oz Heavy Buffer and Spring): Designed for smooth cycling and added stability with an 8oz buffer. This kit ensures reliable function and recoil management for your AR-40 pistol build.

• SBA3 Brace: The SBA3 adjustable pistol brace provides versatility and added comfort for your build. It’s perfect for enhancing the overall stability of your AR-40 S&W pistol during firing.

Kit Details:

• Unassembled Kit: The kit comes unassembled, giving you the opportunity to customize and build your AR-40 S&W pistol to your exact specifications.
• No Lower Receiver Included: Compatible with Glock-style 80% lower receivers (sold separately).
• 100% USA-Made Components: Crafted from high-quality materials, all parts in this kit are made in the USA to meet Mil-Spec standards.
• Customization Available: Modify your build further with additional upgrades and accessories (available on the product page).
• Images may not be the exact representation of the product. Stock photo shows potential build. Magazine is not included.